Home / 45,993,136.20-68,989,704.28-18,693,032.80

Finding the Fourth Proportional to 45,993,136.20, 68,989,704.28 and 18,693,032.80

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Solution

The fourth proportional to 45,993,136.20, 68,989,704.28 and 18,693,032.80 is: 28,039,549.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,993,136.20 : 68,989,704.28 = 18,693,032.80 : x
  2. Step 2: Convert to fraction form
    45,993,136.20/68,989,704.28 = 18,693,032.80/x
  3. Step 3: Cross multiply
    45,993,136.20x = 68,989,704.28 × 18,693,032.80
  4. Step 4: Simplify right side
    45,993,136.20x = 1,289,626,804,968,340.50
  5. Step 5: Solve for x
    x = 1,289,626,804,968,340.50/45,993,136.20
  6. Step 6: Final answer
    x = 28,039,549.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.